• Senior System Administrator

    The Boeing Company (Colorado Springs, CO)
    …us. **Boeing Defense, Space & Security** (BDS) Phantom Works Organization is seeking a ** Senior System Administrator ** to support the **Phantom Works Space ... Battle Management Command & Control (SBMC2) team requires a Senior System Administrator to support...and software systems (mixed Windows/Linux environment on VMware vSphere and OpenStack). + Oversees system more
    The Boeing Company (01/09/26)
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  • Senior Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Travel: Occasional Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 ... with deploying and managing virtual machines and storage systems ( VMware , NetApp) + Maintain accurate system documentation, operational checklists, and… more
    S4 Inc. (01/07/26)
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  • Enterprise Cloud Engineer II/III/ Sr

    Berkshire Hathaway Energy (Des Moines, IA)
    …and scripting (PowerShell, Python, Bash); familiarity with on-premise systems ( VMware , servers). + **Certifications** : Azure Administrator or OCI ... We are hiring for Cloud Engineer roles at multiple levels (Mid-Level, Senior , or Principal) to support our hybrid and multi-cloud environments. These positions… more
    Berkshire Hathaway Energy (12/09/25)
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  • Sr . Specialist Cyber Infrastructure…

    L3Harris (Carlsbad, CA)
    …to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise in hardening, ... sea and cyber domains in the interest of national security. Job Title: Sr . Specialist, Cyber Infrastructure Engineer Job Code: 32501 Job Location: Carlsbad, CA Job… more
    L3Harris (01/02/26)
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  • Senior / Principal Windows System

    SciTec (Boulder, CO)
    …requirements will not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team ... and maintain security policies and procedures to protect Windows systems and data. + Monitor system performance...5+ years professional experience performing duties of a Windows system administrator + Strong knowledge of Microsoft… more
    SciTec (11/19/25)
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  • Mid/ Senior System

    Belay Technologies (Annapolis Junction, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support for ... process. The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity… more
    Belay Technologies (11/19/25)
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  • Systems Administrator Senior

    Lockheed Martin (Fayetteville, NC)
    **Description:** You will be the Systems Administrator Senior for our team\. Our team is responsible for delivering elite IT services-including hardware and ... software troubleshooting, system installation, and comprehensive documentation-to Special Operations Forces within...DoD‑approved enclave\. **What You Will Be Doing** As the Systems Administrator Senior , you will… more
    Lockheed Martin (12/18/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle...Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience… more
    The Boeing Company (12/25/25)
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  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and … more
    EPS Corporation (11/13/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, ... and Mitigation (CDM) practices. **Preferred Qualifications:** + Microsoft Certified Systems Administrator /Engineer (MCSA/MCSE) or equivalent (eg, Azure … more
    ManTech (11/05/25)
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